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Information Systems Security Engineer (ISSE)

BAE Systems
BAE Systems Salary
Sterling, VA Full Time
POSTED ON 3/23/2026
AVAILABLE BEFORE 4/22/2026

Job Description

BAE Systems is looking for an experienced ISSE to join our technology-based program supporting a key Government customer. You will perform the following activities:

  • Document the various security control implementations as well as gather the artifacts that support the Risk Management Framework (RMF) and ICD 503 Security Accreditation for various Assessment and Authorization (A&A) efforts

  • Document and obtain a general understanding of the architecture being developed or that was developed for each project in order to write the Systems Security Plans (SSP)/CONOPS in the Greenlight application.

  • Gather the information by working with various team members in order to write various additional A&A related documents such as Contingency Plan (CP), General User Guide (GUG), Privileged User Guide (PUG), Standard Operating Procedures (SOP’s), etc.

  • Support Accreditation and Authorization (A&A) reviews by ISSO/M, as well as the Security Controls Assessor (SCA)

  • Document the Plans of Actions and Milestones (POA&Ms) implementation responses or mitigations, as well as provide all required artifacts (i.e. evidence gathering from the teams)

  • Coordinate with various contractor and staff personnel to obtain the A&A content, as well as working with various customer security organizations to navigate the customer’s A&A process in order to achieve Authority to Develop (ATD), Interim Authority to Operation (IATT), as well as Authority to Operate (ATO).

  • Keep track of where each of the various A&A projects are within the customer’s A&A process in order to know when it’s time to re-submit for accreditation or an accreditation extension.




Required Education, Experience, & Skills
  • A minimum of five (5) years relevant experience
  • Previous ISSE experience directly supporting the customer
  • Experience leading an ATO initial or reacreditation effort
  • Possess multi-tasking skills, as well as be a good communicator/facilitator
  • Knowledge of complex network environments involving shared networks and multiple security enclaves
  • Possess the ability to bridge the technical implementation into commonly understood security verbiage
  • Experience in Cloud security control implementation, PKI implementation, STIG compliance and vulnerability management, and Security Development and Operations (SecDevOps)
  • Various security tools and reports such as Greenlight, RoadRunner, Rapid 7, WebInspect, App Detective, and Splunk
  • Public, private and hybrid Cloud experience (AWS, Microsoft Azure, etc.)


Preferred Education, Experience, & Skills
  • CISSP, or GSLC



Pay Information
Full-Time Salary Range: $146670 - $249330

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20 hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.


About BAE Systems Intelligence & Security
BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference.

Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do—from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Salary : $146,670 - $249,330

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